David McCallum (b. September 19, 1933) has voiced a number of characters, including: * Alfred Pennyworth for the animated film Batman: Gotham Knight * Merlin for the animated series Batman: The Brave and the Bold * Zeus for the animated film Wonder Woman * Alfred Pennyworth for the animated film Son of Batman He is better known for portraying Doctor Ducky Mallard on the series NCIS. * * Gallery featuring David McCallum in their various live action roles __NOEDITSECTION__